UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ywxbvVQRgwbVznWeLDpyScoTW5xbcRBzeMBU1yld4zI=' 
WHERE 
  key_id = '6a5251bf02416f30a9aaf158d2de3c69f763602c8f013da2aaee13b1820f8adb' 
  AND (
    token = 'ywxbvVQRgwbVznWeLDpyScoTW5xbcRBzeMBU1yld4zI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )